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Title
News.
Abstract
The article offers news briefs from the U.S. as of May 15, 2011. Premastication was reported recently as a route of HIV virus transmission through blood in saliva, as per the U.S. report. The U.S. health regulators decline the approval of the drug Xifaxan (rifaximin) as a cure for irritable bowel syndrome. No direct link found between vaccines made by Pfizer Inc. and Sanofi-Aventis SA and the deaths of children by Japan's Health Ministry.